Overview
The ADR441ARZ is a high-performance voltage reference from Analog Devices Inc., part of the ADR440/ADR441/ADR443/ADR444/ADR445 series. This component is renowned for its ultralow noise, high accuracy, and low temperature drift, making it ideal for precision signal conversion applications. The ADR441ARZ utilizes Analog Devices' patented temperature drift curvature correction and XFET (eXtra implanted junction FET) technology, which significantly minimizes voltage change vs. temperature nonlinearity. This voltage reference is particularly suited for high-end data acquisition systems, optical networks, and medical applications.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 2.5V ±0.12% |
| Supply Voltage Range | 3V to 18V |
| Output Current Capability | Source up to 10 mA, Sink up to -5 mA |
| Temperature Range | -40°C to +125°C |
| Package Types | 8-Lead MSOP, 8-Lead SOIC |
| Trim Terminal Adjustment | Adjust output voltage over a 0.5% range |
| Noise Performance | Ultralow noise, better than buried Zener references |
| Supply Voltage Headroom | 500 mV |
Key Features
- Ultralow noise and high accuracy
- Low temperature drift performance using patented temperature drift curvature correction and XFET technology
- Capability to source up to 10 mA and sink up to -5 mA of output current
- Trim terminal to adjust the output voltage over a 0.5% range without compromising performance
- Operates with low supply voltage headroom (500 mV)
- Available in 8-lead MSOP and narrow SOIC packages
- Specified over the extended industrial temperature range of -40°C to +125°C
Applications
The ADR441ARZ is ideally suited for various precision applications, including:
- High-end data acquisition systems
- Optical networks
- Medical applications
- Defense and aerospace applications (ADR441-EP supports AQEC standard)
Q & A
- What is the output voltage of the ADR441ARZ?
The output voltage of the ADR441ARZ is 2.5V ±0.12%.
- What is the supply voltage range for the ADR441ARZ?
The supply voltage range is from 3V to 18V.
- What is the maximum output current capability of the ADR441ARZ?
The ADR441ARZ can source up to 10 mA and sink up to -5 mA of output current.
- What is the operating temperature range of the ADR441ARZ?
The operating temperature range is from -40°C to +125°C.
- In what packages is the ADR441ARZ available?
The ADR441ARZ is available in 8-lead MSOP and narrow SOIC packages.
- Can the output voltage of the ADR441ARZ be adjusted?
- What makes the ADR441ARZ suitable for high-precision applications?
The ADR441ARZ features ultralow noise, high accuracy, and low temperature drift, making it suitable for high-precision applications.
- Does the ADR441ARZ support defense and aerospace applications?
- How does the XFET technology in the ADR441ARZ improve performance?
The XFET technology minimizes voltage change vs. temperature nonlinearity and offers better noise performance than buried Zener references.
- What is the supply voltage headroom required for the ADR441ARZ?
The ADR441ARZ operates with a low supply voltage headroom of 500 mV.
